7.4 V | 4000 mAh | 29.6 Wh

14.4 V | 2600 mAh | 37.44 Wh

14.4 V | 3400 mAh | 48.96 Wh

12 V | 2000 mAh | 24 Wh

14.4 V | 5200 mAh | 74.88 Wh